Our Reed Diffusers contain 4 fl oz of fine fragrance oil in a 4 oz amber apothecary-inspired bottle. Lasts approximately 2-3 months. Bottle measures 4.25" in height and reeds are 8" long. How to Use:-Insert rattan reeds directly into bottle and flip weekly or as needed to refresh the scent.-To create a lighter, more subtle scent throw, insert just a few reeds or remove as needed!-Keep away from direct sunlight or other heat sources to avoid drying out the reeds.-Our fragrance oils are not developed for aromatherapy diffusers or humidifiers.-Do not consume and keep away from children or pets. If the oil spills, clean up immediately, as the oils and resins can cause damage to some finishes.Ingredients: Our reed diffusers contain a blend of naturally-derived fragrance oils and a coconut oil vegan base formulated with no phthalates or parabens. Each diffuser includes a bundle of naturally-harvested rattan reeds to absorb and slowly release the fragrance throughout your space.